diff options
Diffstat (limited to 'libbb/login.c')
-rw-r--r-- | libbb/login.c | 119 |
1 files changed, 53 insertions, 66 deletions
diff --git a/libbb/login.c b/libbb/login.c index 646995b0b..6ebb9a6a0 100644 --- a/libbb/login.c +++ b/libbb/login.c @@ -36,83 +36,70 @@ void print_login_issue(const char *issue_file, const char *tty) puts("\r"); /* start a new line */ - if ((fd = fopen(issue_file, "r"))) { - while ((c = fgetc(fd)) != EOF) { - outbuf = buf; - buf[0] = c; - if(c == '\n') { - buf[1] = '\r'; - buf[2] = 0; - } else { - buf[1] = 0; - } - if (c == '\\' || c == '%') { - c = fgetc(fd); - switch (c) { - case 's': - outbuf = uts.sysname; - break; - - case 'n': - outbuf = uts.nodename; - break; - - case 'r': - outbuf = uts.release; - break; - - case 'v': - outbuf = uts.version; - break; - - case 'm': - outbuf = uts.machine; - break; - - case 'D': - case 'o': - c = getdomainname(buf, sizeof(buf) - 1); - buf[c >= 0 ? c : 0] = '\0'; - break; - - case 'd': - strftime(buf, sizeof(buf), fmtstr_d, localtime(&t)); - break; - - case 't': - strftime(buf, sizeof(buf), fmtstr_t, localtime(&t)); - break; - - case 'h': - gethostname(buf, sizeof(buf) - 1); - buf[sizeof(buf) - 1] = '\0'; - break; - - case 'l': - outbuf = tty; - break; - - default: - buf[0] = c; - } + fd = fopen(issue_file, "r"); + if (!fd) + return; + while ((c = fgetc(fd)) != EOF) { + outbuf = buf; + buf[0] = c; + buf[1] = '\0'; + if(c == '\n') { + buf[1] = '\r'; + buf[2] = '\0'; + } + if (c == '\\' || c == '%') { + c = fgetc(fd); + switch (c) { + case 's': + outbuf = uts.sysname; + break; + case 'n': + outbuf = uts.nodename; + break; + case 'r': + outbuf = uts.release; + break; + case 'v': + outbuf = uts.version; + break; + case 'm': + outbuf = uts.machine; + break; + case 'D': + case 'o': + c = getdomainname(buf, sizeof(buf) - 1); + buf[c >= 0 ? c : 0] = '\0'; + break; + case 'd': + strftime(buf, sizeof(buf), fmtstr_d, localtime(&t)); + break; + case 't': + strftime(buf, sizeof(buf), fmtstr_t, localtime(&t)); + break; + case 'h': + gethostname(buf, sizeof(buf) - 1); + buf[sizeof(buf) - 1] = '\0'; + break; + case 'l': + outbuf = tty; + break; + default: + buf[0] = c; } - fputs(outbuf, stdout); } - - fclose(fd); - - fflush(stdout); + fputs(outbuf, stdout); } + fclose(fd); + fflush(stdout); } void print_login_prompt(void) { char buf[MAXHOSTNAMELEN+1]; - if(gethostname(buf, MAXHOSTNAMELEN) == 0) + if (gethostname(buf, MAXHOSTNAMELEN) == 0) fputs(buf, stdout); fputs(LOGIN, stdout); fflush(stdout); } - |